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发明名称
Method of treating zinc ores
摘要
申请公布号
US1883234(A)
申请公布日期
1932.10.18
申请号
US19290338082
申请日期
1929.02.07
申请人
AMERICAN SMELTING & REFINING COMPANY
发明人
LENNOX LUTHER WILLIS;WILDMAN HORATIO SEYMOUR
分类号
C22B1/08
主分类号
C22B1/08
代理机构
代理人
主权项
地址
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